20164448

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 42565824

約数和(自身を除く): 22401376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 367, 404, 544, 734, 808, 1468, 1616, 1717, 2936, 3232, 3434, 5872, 6239, 6868, 11744, 12478, 13736, 24956, 27472, 37067, 49912, 54944, 74134, 99824, 148268, 199648, 296536, 593072, 630139, 1186144, 1260278, 2520556, 5041112, 10082224, 20164448]

約数ペア:

[(1, 20164448), (2, 10082224), (4, 5041112), (8, 2520556), (16, 1260278), (17, 1186144), (32, 630139), (34, 593072), (68, 296536), (101, 199648), (136, 148268), (202, 99824), (272, 74134), (367, 54944), (404, 49912), (544, 37067), (734, 27472), (808, 24956), (1468, 13736), (1616, 12478), (1717, 11744), (2936, 6868), (3232, 6239), (3434, 5872)]